40945634 has 16 divisors (see below), whose sum is σ = 63175896. Its totient is φ = 19891200.

The previous prime is 40945633. The next prime is 40945649. The reversal of 40945634 is 43654904.

40945634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 28590409 + 12355225 = 5347^2 + 3515^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40945594 and 40945603.

It is not an unprimeable number, because it can be changed into a prime (40945633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22154 + ... + 23930.

Almost surely, 2^40945634 is an apocalyptic number.

40945634 is a deficient number, since it is larger than the sum of its proper divisors (22230262).

40945634 is a wasteful number, since it uses less digits than its factorization.

40945634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 40945634 is about 6398.8775578222. The cubic root of 40945634 is about 344.6692454208.

The spelling of 40945634 in words is "forty million, nine hundred forty-five thousand, six hundred thirty-four".